package com.douxg.fastCoding.spring.config;

import com.baomidou.mybatisplus.core.parser.ISqlParser;
import com.baomidou.mybatisplus.extension.plugins.PaginationInterceptor;
import com.baomidou.mybatisplus.extension.plugins.pagination.optimize.JsqlParserCountOptimize;
import com.baomidou.mybatisplus.extension.plugins.tenant.TenantSqlParser;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.transaction.annotation.EnableTransactionManagement;

import java.util.ArrayList;
import java.util.List;

/**
 * @Description
 * @Auther douxg
 * @Date 2020/6/10 18:01
 */
@EnableTransactionManagement
@Configuration
@MapperScan(basePackages = "com.douxg.yuyan.enjoy.mapper")
public class MybatisPlusConfig {
    @Bean
    public PaginationInterceptor paginationInterceptor() {
        PaginationInterceptor paginationInterceptor = new PaginationInterceptor();
        // 设置请求的页面大于最大页后操作， true调回到首页，false 继续请求  默认false
        // paginationInterceptor.setOverflow(false);
        // 设置最大单页限制数量，默认 500 条，-1 不受限制
        paginationInterceptor.setLimit(-1);
        // 开启 count 的 join 优化,只针对部分 left join
        paginationInterceptor.setCountSqlParser(new JsqlParserCountOptimize(true));
//        List<ISqlParser> sqlParserList = new ArrayList<>();
//        TenantSqlParser tenantSqlParser = new MyTenantSqlParser();
//        //多租户
//        tenantSqlParser.setTenantHandler(new MyTenantLineHandler());
//        sqlParserList.add(tenantSqlParser);
//        tenantSqlParser = new MyTenantSqlParser();
//        //多组织
//        tenantSqlParser.setTenantHandler(new MyOrgHandler());
//        sqlParserList.add(tenantSqlParser);
//        paginationInterceptor.setSqlParserList(sqlParserList);
        return paginationInterceptor;
    }

}
